组别 | 治疗前 | 治疗6个月 | 治疗12个月 |
A (n = 100) | 0.81 ± 0.04 | 0.85 ± 0.03a | 0.86 ± 0.03a |
B (n = 100) | 0.83 ± 0.04 | 0.83 ± 0.03 | 0.85 ± 0.04a |
C (n = 100) | 0.81 ± 0.03 | 0.89 ± 0.06 | 0.91 ± 0.05 |
D (n = 100) | 0.83 ± 0.04 | 0.81 ± 0.04 | 0.84 ± 0.03a |
F值 | 0.460 | 1.278 | 0.407 |
P值 | 0.498 | <0.001 | <0.001 |